package com.atguigu.gulimall.product.vaild;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * 自定义校验器
 * @author root
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
	private Set<Integer> set = new HashSet<>();

	@Override
	public void initialize(ListValue constraintAnnotation) {
		int[] vals = constraintAnnotation.vals();
		for (int val : vals) {
			set.add(val);
		}
	}


	@Override
	public boolean isValid(Integer value, ConstraintValidatorContext context) {

		return set.contains(value);
	}
}
